154193841412 has 24 divisors (see below), whose sum is σ = 295359962072. Its totient is φ = 69999724800.

The previous prime is 154193841391. The next prime is 154193841437. The reversal of 154193841412 is 214148391451.

It can be written as a sum of positive squares in 4 ways, for example, as 1833209856 + 152360631556 = 42816^2 + 390334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24302289 + ... + 24308632.

Almost surely, 2^154193841412 is an apocalyptic number.

It is an amenable number.

154193841412 is a deficient number, since it is larger than the sum of its proper divisors (141166120660).

154193841412 is a wasteful number, since it uses less digits than its factorization.

154193841412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48610999 (or 48610997 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The spelling of 154193841412 in words is "one hundred fifty-four billion, one hundred ninety-three million, eight hundred forty-one thousand, four hundred twelve".